提供神色仓皇的解释，故事，典故，造句等内容。
The explanation provided discomposure, stories, allusions, syntax and so on.
练习本内容包括写出汉字、造词、填空、重组、造句、改错、引导写作等；
Student's Workbook includes writing-out characters, making phrases, filling in the blanks, re-composing words, making sentences, correcting and guide-writing;
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